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Finding the Third Proportional to 15,016,484,457 and 20,449,888,695

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Solution

The third proportional to 15,016,484,457 and 20,449,888,695 is: 27,849,257,849.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016,484,457 : 20,449,888,695 = 20,449,888,695 : x
  2. Step 2: Convert to fraction form
    15,016,484,457/20,449,888,695 = 20,449,888,695/x
  3. Step 3: Cross multiply
    15,016,484,457x = 20,449,888,695 × 20,449,888,695
  4. Step 4: Simplify right side
    15,016,484,457x = 418,197,947,637,888,778,240
  5. Step 5: Solve for x
    x = 418,197,947,637,888,778,240/15,016,484,457
  6. Step 6: Final answer
    x = 27,849,257,849.63

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.